So he is a Ning all along.

"What is it?" Baihe asked Xia Heru.

"He said that some rich heir proposed to his girlfriend whom he loved from years and got accepted. So to share his happiness he sent wine to all the customers who are staying a put in the hotel." She replied. 

Baihe felt something is fishy. He went into deep thought for some time. He felt that things are not going in his way suddenly. 

"Give me your purse " he ordered.

He suspected that there is something in her purse. If not how will the waiter come right after she arrived? 

She went inside the bedroom and brought it out. She handed it to him. 

He poured all the contents out and checked each and everything. He found nothing. He dragged her inside the bedroom and tore her dress. He checked every bead and stone stitched to it as a decorative item. But he found nothing.